inspired by a tekken 7 mod, doing literally the same thing
replace devil jin laugh win screen audio with TheMainManSWE psychotic laugh (in case you don't undersant, i suggest you watch this clip : https://www.youtube.com/watch?v=a2r52fIzn3E)
to install, put the .pak file in your "~mods" folder. the path should be something like : SteamLibrary\steamapps\common\TEKKEN 8\Polaris\Content\Paks\~mods